Encyonopsis Lacusglacialis Guide
Credit: Loren Bahls
  1. Valves weakly dorsiventral
  2. Stigma present

Valves are rhombic-lanceolate and weakly dorsiventral. Valve width is 8.8-11.1 µm. A single stigma is present. Striae number 10-18 in 10 µm.